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  • Area Code 779 Detail

    State Major City Time Zone
    Illinois Rockford Central (6:17am)

    Major Cities in Area Code 779

    Prefix City 1 City 2 City 3 City 4 City 5
    779Belvidere, ILCrystal Lake, ILDe Kalb, ILFreeport, ILJoliet, IL
    779Kankakee, ILLoves Park, ILMachesney Park, ILMchenry, ILRockford, IL
    779Romeoville, ILWoodstock, IL

    Aria Code 779 Prefixes

    Prefix Primary City Company County Usage Introduced
    779 - 200Rockford, ILCellco Partnership DBA Verizon WirelessWinnebagoCell Number01/18/2011
    779 - 201La Salle, ILCellco Partnership DBA Verizon WirelessLa SalleCell Number03/15/2012
    779 - 202Galena, ILTeleport Communications AmericaJo DaviessLandline03/06/2012
    779 - 203Rockford, ILSprint Spectrum L.p.WinnebagoCell Number10/13/2011
    779 - 204Verona, ILBroadvox-clecGrundyLandline03/19/2014
    779 - 205Joliet, ILNew Cingular Wireless PCSWillCell Number05/30/2012
    779 - 206Joliet, ILCellco Partnership DBA Verizon WirelessWillCell Number06/20/2012
    779 - 207Rockford, ILCellco Partnership DBA Verizon WirelessWinnebagoCell Number09/28/2012
    779 - 208Rockford, ILCellco Partnership DBA Verizon WirelessWinnebagoCell Number11/16/2012
    779 - 209Sandwich, ILPeerless Network Of IllinoisDekalbLandline08/31/2012
    779 - 210Rockford, ILSbc Internet ServicesWinnebagoLandline09/16/2011
    779 - 212Dekalb, IL365 WirelessDekalbCell Number03/13/2013
    779 - 213Oglesby, ILPeerless Network Of IllinoisLa SalleLandline04/09/2013
    779 - 214Galena, ILMediacom Telephony Of IllinoisJo DaviessLandline12/17/2009
    779 - 215Tonica, ILLocal Access LLCLa SalleLandline04/09/2013
    779 - 216Frankfort, ILPeerless Network Of IllinoisWillLandline04/09/2013
    779 - 218Watseka, ILPeerless Network Of IllinoisIroquoisLandline04/09/2013
    779 - 220Crystal Lake, ILBandwidth.com ClecMchenryLandline05/25/2011
    779 - 221Rockford, ILBroadvox-clecWinnebagoLandline04/02/2010
    779 - 222Dekalb, ILLevel 3 CommunicationsDekalbLandline
    779 - 225Joliet, ILCellco Partnership DBA Verizon WirelessWillCell Number09/21/2011
    779 - 226Polo, ILComcast Phone Of Illinois DBA ComcoOgleLandline04/24/2013
    779 - 227Metro PCSUnknown07/01/2014
    779 - 228Mazon, ILPeerless Network Of IllinoisGrundyLandline04/10/2013
    779 - 229Spring Valley, ILComcast Phone Of Illinois DBA ComcoBureauLandline05/07/2013
    779 - 232Wilmington, ILTeleport Communications AmericaWillLandline06/07/2007
    779 - 233Joliet, ILSprint Spectrum L.p.WillCell Number07/21/2011
    779 - 234Plainfield, ILLocal Access LLCWillLandline08/01/2013
    779 - 235Crescent City, ILSbc Internet ServicesIroquoisCell Number02/04/2011
    779 - 236Kankakee, ILSprint Spectrum L.p.KankakeeCell Number07/27/2011
    779 - 240T-mobile UsaUnknown06/11/2014
    779 - 245Sterling, ILIowa Wireless Services, LpWhitesideCell Number07/14/2008
    779 - 251Dixon, ILCenturylink Communications LLCLeeLandline04/01/2014
    779 - 279Joliet, ILCricket CommunicationsWillCell Number10/29/2008
    779 - 300Rockford, ILSprint Spectrum L.p.WinnebagoCell Number02/17/2011
    779 - 301T-mobile UsaUnknown06/11/2014
    779 - 324Frankfort, ILBandwidth.com ClecWillLandline08/17/2010
    779 - 333Frankfort, ILNeutral Tandem-illinoisWillLandline04/11/2013
    779 - 348Rockford, ILTeleport Communications AmericaWinnebagoLandline06/13/2007
    779 - 368New Milford, ILComcast Phone Of Illinois DBA ComcoWinnebagoLandline08/21/2007
    779 - 379Joliet, ILCricket CommunicationsWillCell Number10/29/2008
    779 - 382Genoa, ILCharter Fiberlink - IllinoisDekalbLandline05/07/2007
    779 - 400Dekalb, ILYmax Communications Corp.DekalbLandline02/17/2011
    779 - 423Rockford, ILComcast Phone Of Illinois DBA ComcoWinnebagoLandline08/08/2007
    779 - 429Wilmington, ILSbc Internet ServicesWillLandline11/13/2008
    779 - 432Sheffield, ILMtco CommunicationsBureauLandline03/27/2007
    779 - 435Joliet, ILAmeritech IllinoisWillLandline11/13/2006
    779 - 444Wonder Lake, ILBandwidth.com ClecMchenryLandline08/17/2010
    779 - 456Joliet, ILT-mobile UsaWillCell Number01/09/2008
    779 - 475Beloit, ILCharter Fiberlink - IllinoisWinnebagoLandline03/27/2007
    779 - 500Rockford, ILTeleport Communications AmericaWinnebagoLandline03/16/2011
    779 - 529Manteno, ILBandwidth.com ClecKankakeeLandline08/17/2010
    779 - 537Rockford, ILCellco Partnership DBA Verizon WirelessWinnebagoCell Number03/27/2007
    779 - 545Mt Morris, ILComcast Phone Of Illinois DBA ComcoOgleLandline08/08/2007
    779 - 548Marengo, ILBandwidth.com ClecMchenryLandline08/16/2010
    779 - 552Belvidere, ILDigital Network Access CommunicationsBooneLandline06/04/2007
    779 - 696Rockford, ILMcleodusa Telecommunications Services- IlWinnebagoLandline08/18/2010
    779 - 702T-mobile UsaUnknown06/11/2014
    779 - 703Joliet, ILT-mobile UsaWillCell Number10/07/2013
    779 - 704Mchenry, ILMci Worldcom CommunicationsMchenryLandline10/31/2013
    779 - 770Rockford, ILCricket CommunicationsWinnebagoCell Number11/18/2008
    779 - 771Rockford, ILCricket CommunicationsWinnebagoCell Number11/18/2008
    779 - 772Rockford, ILCricket CommunicationsWinnebagoCell Number11/18/2008
    779 - 774Rockford, ILTds Metrocom Inc.-ilWinnebagoLandline02/01/2012
    779 - 777Dekalb, ILCricket CommunicationsDekalbCell Number10/22/2008
    779 - 800Crystal Lake, ILNeutral Tandem-illinoisMchenryLandline04/11/2013
    779 - 803New Lenox, ILBandwidth.com ClecWillLandline08/16/2013
    779 - 861Dixon, ILCellco Partnership DBA Verizon WirelessLeeCell Number05/26/2010
    779 - 875Joliet, ILSprint Spectrum L.p.WillCell Number07/12/2007
    779 - 903Braidwood, ILBroadvox-clecWillLandline07/29/2013
    779 - 994Crystal Lake, ILPeerless Network Of IllinoisMchenryLandline04/10/2013
    779 - 999Newark, ILPeerless Network Of IllinoisKendallLandline09/24/2010